platform/lib/io.dart
2016-12-23 15:57:46 -05:00

55 lines
1.6 KiB
Dart

/// Command-line WebSocket client library for the Angel framework.
library angel_websocket.io;
import 'dart:async';
import 'dart:io';
import 'package:angel_client/angel_client.dart';
import 'package:http/http.dart' as http;
import 'package:json_god/json_god.dart' as god;
import 'package:web_socket_channel/web_socket_channel.dart';
import 'package:web_socket_channel/io.dart';
import 'angel_websocket.dart';
import 'base_websocket_client.dart';
export 'package:angel_client/angel_client.dart';
export 'angel_websocket.dart';
final RegExp _straySlashes = new RegExp(r"(^/)|(/+$)");
/// Queries an Angel server via WebSockets.
class WebSockets extends BaseWebSocketClient {
WebSockets(String path) : super(new http.Client(), path);
@override
Future<WebSocketChannel> getConnectedWebSocket() async {
var socket = await WebSocket.connect(basePath);
return new IOWebSocketChannel(socket);
}
@override
WebSocketsService service<T>(String path,
{Type type, AngelDeserializer deserializer}) {
String uri = path.replaceAll(_straySlashes, '');
return new WebSocketsService(socket, this, uri, T != dynamic ? T : type);
}
@override
serialize(x) => god.serialize(x);
}
class WebSocketsService extends BaseWebSocketService {
final Type type;
WebSocketsService(WebSocketChannel socket, Angel app, String uri, this.type)
: super(socket, app, uri);
@override
serialize(WebSocketAction action) => god.serialize(action);
@override
deserialize(x) {
if (type != null && type != dynamic) {
return god.deserializeDatum(x, outputType: type);
} else
return super.deserialize(x);
}
}